package com.sky.controller.admin;

import com.sky.dto.DishDTO;
import com.sky.dto.DishPageQueryDTO;
import com.sky.entity.Dish;
import com.sky.result.PageResult;
import com.sky.result.Result;
import com.sky.service.DishService;
import com.sky.vo.DishVO;
import io.swagger.annotations.Api;
import io.swagger.annotations.ApiOperation;
import lombok.extern.slf4j.Slf4j;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.data.redis.core.RedisTemplate;
import org.springframework.web.bind.annotation.*;

import java.util.List;
import java.util.Set;

@RestController
@Api(tags = "菜品相关接口")
@Slf4j
@RequestMapping("/admin/dish")
public class DishController {
    @Autowired
    private DishService dishService;

    @Autowired
    private RedisTemplate redisTemplate;

    /**
     * 新增菜品
     *
     * @param dto
     * @return
     */
    @PostMapping
    @ApiOperation("新增菜品")
    public Result insertDish(@RequestBody DishDTO dto) {
        log.info("新增菜品:{}", dto);
        //如果有新增菜品清理redis 中的缓存
        String key="dish_"+dto.getCategoryId();
        cleanCache(key);
        dishService.insertDish(dto);
        return Result.success();
    }

    /**
     * 分页查询菜品
     *
     * @param dto
     * @return
     */
    @ApiOperation("菜品分页查询")
    @GetMapping("/page")
    public Result<PageResult> page(DishPageQueryDTO dto) {
        log.info("菜品分页查询：{}", dto);
        PageResult pageResult = dishService.pageQuery(dto);
        return Result.success(pageResult);
    }

    /**
     * 批量删除菜品
     */
    @ApiOperation("批量删除菜品")
    @DeleteMapping
    public Result delete(@RequestParam List<Long> ids) {
        log.info("删除部门:{}", ids);
        //将所有的菜品缓存数据清理，所有以dish_开头的key
        cleanCache("dish_*");
        dishService.delete(ids);
        return Result.success();
    }


    /**
     * 根据id查询菜品
     *
     * @param id
     * @return
     */
    @ApiOperation("根据id查询菜品")
    @GetMapping("/{id}")
    public Result<DishVO> selectDishById(@PathVariable Long id) {
        log.info("根据id查询菜品:{}", id);
        return Result.success(dishService.selectDishById(id));
    }

    /**
     * 根据分类id查询菜品
     * @param categoryId
     * @return
     */
    @GetMapping("/list")
    @ApiOperation("根据分类id查询菜品")
    public Result<List<Dish>> list(Long categoryId){
        List<Dish> list = dishService.selectCategoryById(categoryId);
        return Result.success(list);
    }

    /**
     * 根据菜品id更新菜品
     *
     * @param dishDTO
     * @return
     */
    @ApiOperation("更新菜品")
    @PutMapping
    public Result updateDish(@RequestBody DishDTO dishDTO) {
        log.info("更新菜品：{}", dishDTO);
        cleanCache("dish_*");
        dishService.updateDish(dishDTO);
        return Result.success();
    }


    /**
     * 根据菜品id修改 菜品起售、停售
     *
     * @param status
     * @return
     */
    @ApiOperation("菜品起售、停售")
    @PostMapping("/status/{status}")
    public Result UpdateStatus(@PathVariable Integer status, @RequestParam Long id) {
        log.info("根据菜品id修改 菜品起售、停售:{}", status);
        cleanCache("dish_*");
        dishService.UpdateStatus(status, id);
        return Result.success();
    }

    /**
     * 清理缓存数据
     * @param pattern
     */
    private void cleanCache(String pattern) {
        //将所有的菜品缓存数据清理，所有以dish_开头的key
        Set keys = redisTemplate.keys(pattern);
        redisTemplate.delete(keys);
    }
}
